Hitachi U-2810 Instruction Manual page 21

Spectrophotometer
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1.3
1.3
Installation Conditions
Installation
Conditions
(5)
(5)
Other General
Other
General Precautions
Precautions
(a) The instru
(a)
The instrument sho
ment should not
sunlight.
sunlight. Avoid
Avoid a a position
(b) The instru
(b)
The instrument sho
ment should be
or shock.
or shock.
(c) There sho
(c)
There should be
uld be no heat
electric heater, oven, etc. near the instrument to
electric heater, oven, etc. near the instrument to
prevent the main unit cover being heated (to 70
prevent the main unit cover being heated (to 70
more).
more).
(d) The instru
(d)
The instrument sho
ment should not
producing a strong electric/magne
producing a strong
welding machine, high-frequency electric furnace or
welding machine, high-frequency electric furnace or
pole transformer for example).
pole transformer for
(e) The installatio
(e)
The installation site should b
(f) (f)
The instrument
The
instrument should
power supply voltage.
power supply voltage.
(g) Avoid fre
(g)
Avoid frequently
quently turning o
provided with a noise suppressor (of a stirrer, vibrator,
provided with a noise suppressor (of a
etc.) on the power line connected with the
etc.) on the power line connected with the
spectrophotometer.
spectrophotometer.
NOTICE: :
NOTICE
The optical
The
optical system
The control unit incorporates parts constructing
The control unit incorporates parts constructing
a high-density electronic circuit
a high-density electronic circuit which functions
as a computer.
as a computer.
So careful consideration should be given to the
So careful consideration should be given to
above items.
above items.
1 - 4
1 - 4
uld not be exp
be exposed to
osed to direct
position near
near a a window.
uld be free from
free from noticeable
no heat source s
source such as
uch as a gas
uld not be loca
be located nea
electric/magnetic field
example).
n site should be free from excessiv
e free from excessive dust.
should be
be free
free from
from abrupt
turning on/off an
n/off an electric m
electric motor not
system is is very
very delicate.
delicate.
direct
window.
noticeable vibration
vibration
a gas burner,
burner,
C or
C or
° °
ted near a
r a device
device
tic field (electric
(electric
e dust.
abrupt variation
variation in in
otor not
stirrer, vibrator,
which functions
the

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